## What is our weight?

This is a great mathematical problem solving activity for students to work out the weight of a dog, cat, and…

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test iq
## What is our weight?

This is a great mathematical problem solving activity for students to work out the weight of a dog, cat, and…

test iq
## What parking spot?

This visual brainteaser was spotted on a Hong Kong first-grade student admissions test, and it’s a great puz…

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## Top view

In this non-verbal brainteaser, students must work out which is the top view. You may like to time them to s…

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## Make 10

The matchstick test is a great problem-solving brainteaser. Students need to remove six matches to make 10. …

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## How many squares?

Similar to the visual brainteaser above, however students need to work out how many squares they can see. An…

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## How many triangles?

In this visual brainteaser, students need to work out how many triangles there are in the image. Answers The…

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## Can you work out the net?

This brainteaser is great to test spatial visualization. Students have to mentally put together the 3-D cube…

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## How many blocks in this tower?

A brainteaser to test students’ spatial visualization and their ability to study 3-D figures. Can your stude…

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## What comes next?

Let’s start off with a brainteaser for pattern recognition. Can your students work out which patterned bloc…

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## A set of scales is in balance. On one side is a gold ingot

A set of scales is in balance. On one side is a gold ingot, on the other side, half an ingot and a ¾ kilogra…

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## If 6 doubloons are worth 1½ ducats, how many ducats are 27 doubloons worth?

If 6 doubloons are worth 1½ ducats, how many ducats are 27 doubloons worth? Answer : 6¾ ducats (27/6 = 4½. 4…

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## Where in the world could you see the sunrise twice in any 24-hour period?

Anywhere! During those times of the season when the days are growing shorter, wherever you are on the globe,…

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## How long is the bird?

Answer : 72 cm. The head is 9 cm. The tail is 18 + 9 = 27 cm. The body is 9 + 18 + 9 = 36 cm. 9 + 27 + 36 = …

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## The Cork and Bottle

Answer : The right answer is that the bottle costs 105 cents, and the cork costs 5 cents.

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## At a children’s party, 10 kids had juice, 8 kids had cake, and 6 kids had juice and cake. How many kids were there at the party?

Answer: Twelve kids. Six kids had juice and cake, leaving two out of the cake eaters that didn’t have juice…

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## which is the missing section?

The answer: A: each line across and down contains one each of the lines in a different position (the lines …

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## Four black cows and three brown cows

Four black cows and three brown cows give as much milk in five days as three black cows and five brown cows…

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## The Plane in the Wind

AN AIRPLANE FLIES in a straight line from airport A to airport B, then back in a straight line from B to A. I…